/* ═══════════════════════════════════════
   BatuhanWeb — upgrades.css
   Paket 2 Yeni Bileşenler
   ═══════════════════════════════════════ */

/* ── TEKNOLOJİ STACK ── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.tech-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  text-align: center;
  transition: transform .3s, border-color .3s, box-shadow .3s;
  cursor: default;
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230,57,70,.35);
  box-shadow: 0 12px 32px rgba(230,57,70,.08);
}

.tech-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230,57,70,.06);
  border-radius: 10px;
  padding: 8px;
  transition: background .3s;
}

.tech-icon svg,
.tech-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tech-card:hover .tech-icon {
  background: rgba(230,57,70,.12);
}

.tech-name {
  font-size: .78rem;
  font-weight: 600;
  color: var(--muted);
  transition: color .3s;
}

.tech-card:hover .tech-name {
  color: var(--white);
}

/* ── PORTFOLYO FİLTRE ── */
.p-filters {
  display: flex;
  gap: .6rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.p-filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .45rem 1.25rem;
  border-radius: 100px;
  cursor: pointer;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  transition: var(--trans);
}

.p-filter-btn:hover {
  border-color: var(--red);
  color: var(--white);
}

.p-filter-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

/* ── PORTFOLYO KART (geliştirilmiş) ── */
.p-card {
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

.p-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(230,57,70,.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s;
  z-index: 0;
  pointer-events: none;
}

.p-card:hover::before {
  opacity: 1;
}

.p-card .p-body {
  position: relative;
  z-index: 1;
}

.p-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .75rem;
  flex-wrap: wrap;
  gap: .5rem;
}

.p-skills-row {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
}

.p-skill-tag {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(136,146,164,.12);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .15rem .5rem;
  border-radius: 4px;
}

/* Link — always visible on touch/mobile, hover on desktop */
.p-link {
  font-size: .8rem;
  color: var(--red);
  font-weight: 600;
  letter-spacing: .04em;
  opacity: 0;
  transition: opacity .25s;
  white-space: nowrap;
  flex-shrink: 0;
}

.p-card:hover .p-link { opacity: 1; }

@media (hover: none) {
  .p-link { opacity: 1; }
}

/* Filtre animasyonu */
.p-card.p-hidden {
  display: none;
}

/* ── İSTATİSTİK SAYAÇ ── */
.stat-n {
  transition: color .3s;
}

/* Stats grid — 2x2 düzeninde 4 istatistik */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}

/* ── GÖNDERİLDİ BANNER (formsubmit sonrası) ── */
.success-banner {
  display: none;
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--card);
  border: 1px solid rgba(46,125,50,.5);
  border-radius: 10px;
  padding: .85rem 1.75rem;
  font-size: .88rem;
  font-weight: 500;
  color: #66bb6a;
  z-index: 999;
  box-shadow: var(--shadow);
  white-space: nowrap;
  animation: slideUp .4s cubic-bezier(.34,1.56,.64,1) both;
}

.success-banner.show { display: flex; align-items: center; gap: .65rem; }

@keyframes slideUp {
  from { transform: translateX(-50%) translateY(100px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0);     opacity: 1; }
}

/* ── RESPONSIVE ── */
@media (max-width: 780px) {
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: .75rem;
  }

  .tech-card {
    padding: 1rem .75rem;
  }

  .tech-icon {
    width: 36px;
    height: 36px;
  }

  .tech-name {
    font-size: .7rem;
  }

  .p-filters {
    gap: .4rem;
  }

  .p-filter-btn {
    padding: .35rem .9rem;
    font-size: .75rem;
  }

  .p-link {
    opacity: 1;
  }
}

@media (max-width: 420px) {
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .tech-name {
    font-size: .62rem;
  }

  .success-banner {
    white-space: normal;
    text-align: center;
    width: calc(100% - 2rem);
  }
}